:root{--brand: #2563eb;--brand-dark: #1d4ed8;--text: #1f2329;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f6f7f9;--surface: #ffffff;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--radius: 10px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.layout{display:grid;grid-template-columns:216px 1fr;min-height:100vh}.sidebar{background:#111827;color:#d1d5db;padding:20px 0;display:flex;flex-direction:column}.sidebar-brand{padding:0 20px 20px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid #1f2937;margin-bottom:12px}.sidebar-brand small{display:block;font-size:12px;font-weight:400;color:#9ca3af;margin-top:4px}.sidebar nav{display:flex;flex-direction:column}.sidebar nav a{display:flex;align-items:center;gap:6px;padding:11px 20px;font-size:14px;color:#d1d5db;border-left:3px solid transparent}.sidebar nav a:hover{background:#1f2937;color:#fff}.sidebar nav a.active{background:#1f2937;color:#fff;border-left-color:var(--brand);font-weight:600}.sidebar-foot{margin-top:auto;padding:16px 20px 0;border-top:1px solid #1f2937;font-size:13px}.content{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 10px;height:60px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar h1{font-size:17px;margin:0}.topbar-right{display:flex;align-items:center;gap:14px;font-size:14px}.page{padding:24px 10px 56px;flex:1;min-width:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-value{font-size:24px;font-weight:700;margin-top:6px}.stat-value.accent{color:var(--brand)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;vertical-align:middle}th{font-size:13px;color:var(--text-muted);font-weight:600;background:#fafbfc}tbody tr:hover{background:#fafbfc}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid transparent;background:var(--brand);color:#fff;font-size:14px;font-weight:500}.btn:hover:not(:disabled){background:var(--brand-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:#f3f4f6}.btn-danger{background:var(--danger)}.btn-sm{padding:5px 10px;font-size:13px}.input,.select,.textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}.input:focus,.select:focus,.textarea:focus{outline:2px solid rgb(37 99 235 / 20%);border-color:var(--brand)}.textarea{min-height:90px;resize:vertical}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--text-muted)}.form-actions{display:flex;gap:12px;margin-top:6px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 16px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}.toolbar .input,.toolbar .select{width:auto;min-width:150px}.alert{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.alert-info{background:#eff6ff;color:var(--brand);border:1px solid #bfdbfe}.alert-warn{background:#fffbeb;color:var(--warning);border:1px solid #fde68a}.empty{padding:44px 0;text-align:center;color:var(--text-muted);font-size:14px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#f3f4f6;color:var(--text-muted)}.badge-brand{background:#eff6ff;color:var(--brand)}.badge-success{background:#f0fdf4;color:var(--success)}.badge-danger{background:#fef2f2;color:var(--danger)}.badge-warn{background:#fffbeb;color:var(--warning)}.row-actions{display:flex;gap:8px}.auth-wrap{max-width:380px;margin:72px auto}.auth-wrap .card{padding:26px}.muted{color:var(--text-muted);font-size:13px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:var(--surface);border-radius:12px;padding:22px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto}.modal h2{margin:0 0 18px;font-size:17px}.desc-cell{max-width:320px;white-space:normal;line-height:1.6;color:var(--text-muted)}.uploader{display:flex;flex-direction:column;gap:10px}.uploader-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}.uploader-grid-single{grid-template-columns:120px}.uploader-item{position:relative;aspect-ratio:1;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#f0f1f3;cursor:grab}.uploader-item img{width:100%;height:100%;object-fit:cover;display:block}.uploader-item-dragging{opacity:.45;border-color:var(--brand)}.uploader-cover{position:absolute;left:0;bottom:0;padding:1px 6px;font-size:11px;color:#fff;background:#0000008c;border-top-right-radius:6px}.uploader-remove{position:absolute;top:4px;right:4px;width:20px;height:20px;padding:0;border:none;border-radius:50%;background:#0000008c;color:#fff;font-size:12px;line-height:1}.uploader-remove:hover{background:var(--danger)}.uploader-order{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between}.uploader-order button{width:22px;height:20px;padding:0;border:none;background:#00000073;color:#fff;font-size:13px;line-height:1}.uploader-order button:disabled{opacity:.3;cursor:not-allowed}.uploader-actions{display:flex;align-items:center;gap:10px}.uploader-url{display:flex;gap:8px;align-items:center}.uploader-url .input{flex:1}.uploader-error{margin-bottom:0;padding:6px 10px;font-size:12px}.policy-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.policy-option{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;cursor:pointer;transition:border-color .15s,background .15s}.policy-option:hover{border-color:var(--brand)}.policy-option:has(input:checked){border-color:var(--brand);background:#fff7f2;color:var(--brand-dark);font-weight:500}.policy-option input:disabled{cursor:not-allowed}.policy-option:has(input:disabled){opacity:.6;cursor:not-allowed}.policy-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:4px;background:var(--bg);font-size:11px;font-weight:600}.chat-page-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}.chat-workbench{display:grid;grid-template-columns:260px 1fr;gap:0;height:calc(100vh - 190px);min-height:460px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.chat-side{border-right:1px solid var(--border);overflow-y:auto;background:#fafbfc}.chat-side-item{position:relative;display:block;width:100%;padding:12px 14px;border:none;border-bottom:1px solid var(--border);background:transparent;text-align:left;cursor:pointer;transition:background .15s}.chat-side-item:hover{background:#f3f4f6}.chat-side-item-active{background:#fff7f2;box-shadow:inset 3px 0 0 var(--brand)}.chat-side-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.chat-side-name{font-size:14px;font-weight:600}.chat-side-time{font-size:11px;color:var(--text-muted);flex-shrink:0}.chat-side-preview{margin-top:4px;font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-side-badge{position:absolute;right:12px;bottom:10px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);color:#fff;font-size:11px;line-height:18px;text-align:center}.chat-main{display:flex;flex-direction:column;min-width:0}.chat-main-head{display:flex;align-items:baseline;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.chat-main-name{font-size:15px;font-weight:600}.nav-badge{margin-left:auto;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);color:#fff;font-size:11px;line-height:18px;text-align:center}@media(max-width:900px){.chat-workbench{grid-template-columns:1fr;height:auto}.chat-side{max-height:220px;border-right:none;border-bottom:1px solid var(--border)}}.chat-notify-stack{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px;pointer-events:none}.chat-notify{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;width:300px;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--surface);box-shadow:0 6px 24px #00000024;text-align:left;cursor:pointer;animation:chat-notify-in .28s cubic-bezier(.22,1,.36,1)}.chat-notify:hover{border-color:var(--brand);box-shadow:0 8px 28px #2563eb2e}@keyframes chat-notify-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}.chat-notify-avatar{flex:0 0 36px;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-size:15px;line-height:36px;text-align:center}.chat-notify-body{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.chat-notify-head{display:flex;align-items:center;gap:6px}.chat-notify-name{font-size:14px;color:var(--text)}.chat-notify-count{padding:0 6px;border-radius:999px;background:var(--danger);color:#fff;font-size:11px;line-height:16px}.chat-notify-preview{font-size:13px;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.chat-notify-product{font-size:12px;color:var(--brand);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-notify-time{font-size:11px;color:var(--text-muted)}.chat-notify-close{flex:0 0 auto;padding:0 2px;color:#9ca3af;font-size:12px;line-height:1;cursor:pointer}.chat-notify-close:hover{color:var(--danger)}.chat-list{flex:1;overflow-y:auto;padding:14px 16px;background:var(--bg);display:flex;flex-direction:column;gap:14px}.chat-empty{margin:auto;text-align:center;font-size:13px;color:var(--text-muted);line-height:1.9}.chat-row{display:flex;gap:8px;align-items:flex-start}.chat-row-mine{justify-content:flex-end}.chat-avatar{width:30px;height:30px;border-radius:50%;background:#e0e7ff;color:#3730a3;font-size:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.chat-avatar-mine{background:#dbeafe;color:var(--brand)}.chat-bubble-wrap{max-width:74%;display:flex;flex-direction:column;gap:3px}.chat-row-mine .chat-bubble-wrap{align-items:flex-end}.chat-sender{font-size:12px;color:var(--text-muted);padding:0 2px}.chat-bubble{padding:9px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--border);font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.chat-bubble-mine{background:var(--brand);border-color:var(--brand);color:#fff}.chat-time{font-size:11px;color:var(--text-muted);padding:0 2px}.chat-input{display:flex;gap:10px;align-items:flex-end;padding:12px 16px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.chat-input .textarea{flex:1;resize:none;font-size:14px}.chat-product-panel{display:flex;gap:10px;padding:10px 16px;background:var(--bg);border-bottom:1px solid var(--border);overflow-x:auto;flex-shrink:0}.chat-product-card{display:flex;align-items:center;gap:8px;padding:6px 10px 6px 6px;background:var(--surface);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:inherit;flex-shrink:0;max-width:260px;transition:border-color .15s}.chat-product-card:hover{border-color:var(--brand)}.chat-product-thumb{width:40px;height:40px;border-radius:6px;object-fit:cover;background:#f0f1f3;flex-shrink:0}.chat-product-info{display:flex;flex-direction:column;gap:2px;min-width:0}.chat-product-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-product-price{font-size:12px;color:var(--danger);font-weight:600}.chat-product-label{font-size:12px;color:var(--text-muted);align-self:center;flex-shrink:0}.chat-side-product{margin-top:2px;font-size:11px;color:var(--brand);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attribute-form{display:flex;flex-direction:column;gap:14px;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:#fafbfc}.attribute-group{display:flex;flex-direction:column;gap:10px}.attribute-group-title{font-size:12px;font-weight:600;color:var(--text-muted);padding-bottom:6px;border-bottom:1px dashed var(--border)}.attribute-field{display:flex;align-items:center;gap:10px}.attribute-label{flex:0 0 96px;font-size:13px;color:var(--text);display:inline-flex;align-items:center;gap:4px}.attribute-required{color:var(--danger)}.attribute-inherited{padding:0 5px;border-radius:3px;background:#e0e7ff;color:#3730a3;font-size:10px;line-height:15px}.attribute-field .input,.attribute-field .select{max-width:280px}.attribute-input-wrap{display:flex;align-items:center;gap:6px}.attribute-unit{font-size:12px;color:var(--text-muted)}.attribute-chips{display:flex;flex-wrap:wrap;gap:6px}.attribute-chip{padding:4px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:12px;color:var(--text);cursor:pointer;transition:border-color .12s,color .12s,background .12s}.attribute-chip:hover{border-color:var(--brand);color:var(--brand)}.attribute-chip-on{border-color:var(--brand);background:#eff6ff;color:var(--brand);font-weight:600}